PPS Version 3 Aluminum Gearbox

PPS Version 3 Aluminum Gearbox. Ultra high quality CNC aluminum gearbox shell for your airsoft gun. This is the version 3 mechbox for your AEG gun. Forget heavy weight steel, go with lightweight aluminum for your custom upgrade gun. We're really impressed with the quality and build of these boxes. You really need to see them in person to appreciate them.